[转]js清除所有cookies

来源:http://blog.csdn.net/zzl1120/article/details/6592332

var cookies = document.cookie.split(";");    for (var i = 0; i < cookies.length; i++) {    var cookie = cookies[i];    var eqPos = cookie.indexOf("=");    var name = eqPos > -1 ? cookie.substr(0, eqPos) : cookie;    document.cookie = name + "=;expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/";    }if(cookies.length > 0){    for (var i = 0; i < cookies.length; i++) {    var cookie = cookies[i];    var eqPos = cookie.indexOf("=");    var name = eqPos > -1 ? cookie.substr(0, eqPos) : cookie;var domain = location.host.substr(location.host.indexOf('.'));    document.cookie = name + "=;expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/; domain=" + domain;    }}